WB-HB-20-1W General Purpose Calypso Blue/20″ – 1 Micron

$112.29 (4 per case @ $28.07/each)

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Typical lead times 7-14 Business Days
SKU: WB-HB-20-1W Category: Tags: ,


The WB-HB-20-1W cartridge filter is a nominally rated “Calypso Blue General Purpose” filter manufactured by Harmsco Filtration. The filter is 4.5″ in diameter and has a particle retention rating of 1 micron. The filter is 20″ in length and has 21 sq. ft. of NSF 62 Certified Polyester Cellulose filter media. This filter is a double open end, (DOE) configuration. Filters are individually wrapped in cases of 4.


Weight 4 lbs
Dimensions 10 × 10 × 21 in
Cartridge Length

Nominal Micron Rating



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Calypso Blue Filters

See the Calypso Blue Specifications Sheet for more info.